CN211422148U

CN211422148U - Anti-impact lock

Info

Publication number: CN211422148U
Application number: CN201921683682.5U
Authority: CN
Inventors: 杨磊; 徐军
Original assignee: Shanghai Junzheng Network Technology Co Ltd
Current assignee: Shanghai Junzheng Network Technology Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-09-04
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a tool to lock shocks resistance, include: a lock base plate; the lock tongue part is rotatably arranged on the lock bottom plate and is provided with a clamping groove; the locking part is rotatably arranged on the lock bottom plate, a clamping hook and a limiting body are arranged on the locking part, and the clamping hook can be clamped into the clamping groove so that the lock tongue part and the locking part are matched and kept at a locking position; the cam mechanism comprises a cam and a pushing part which are coaxially arranged on the lock bottom plate, and the edge of the cam contacts and props against the limiting body to limit the clamping hook to move towards the direction far away from the clamping groove; the cam mechanism can rotate to enable the edge of the cam to leave the limiting body, and meanwhile, the pushing portion drives the locking part to rotate to enable the clamping hook to move away from the clamping groove to be separated from the clamping groove. The utility model discloses can avoid the tool to lock to stir and open because of receiving the side impact or being maliciously with the thing by the people under the lock state of closing, have the function of protecting against shock and theftproof, improve the protective capacities of tool to lock effectively.

Description

Anti-impact lock

Technical Field

The utility model relates to a tool to lock design field especially relates to tool to lock that shocks resistance.

Background

Electric vehicles and bicycles become common carriers in the society at present, and particularly, shared bicycles, shared mopeds and the like which are raised nationwide are almost visible with the development of internet technology.

In order to prevent theft of the components contained in the vehicle, it is necessary to install a lock on the components contained in the vehicle, such as the seat and the power protection cover. Most of the vehicle locks do not have a safety device, and when the vehicle locks are subjected to lateral force accidentally, the unlocking sheet can be easily broken, so that the locking sheet is opened; even a long, thin and hard object penetrates through a gap between a vehicle cushion and a vehicle frame to easily poke the unlocking sheet, so that the protected article is stolen after the unlocking sheet is unlocked. In order to solve the problem, a protective device can be additionally arranged on the lock, however, most of the currently adopted protective devices are complex in structure and poor in protective stability, and meanwhile, the manufacturing cost of the whole vehicle is also increased.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide an impact-resistant lock for solving the problems that the conventional lock plate is easy to lose locking effect due to external force impact and has poor protection stability.

An impact resistant lockset comprising:

a lock base plate;

the lock tongue part is rotatably arranged on the lock bottom plate, and a clamping groove is formed in the lock tongue part;

the locking part is rotatably arranged on the lock bottom plate, a clamping hook and a limiting body are arranged on the locking part, and the clamping hook can be clamped into the clamping groove so that the lock tongue part and the locking part are matched and kept in a locking state;

the cam mechanism comprises a cam and a pushing part which are coaxially arranged on the lock bottom plate, and the edge of the cam is contacted with and props against the limiting body to limit the clamping hook to move towards the direction far away from the clamping groove; the cam mechanism can rotate to enable the edge of the cam to leave the limiting body, and meanwhile, the pushing portion drives the locking component to rotate so that the clamping hook moves away from the clamping groove to be separated from the clamping groove.

The anti-impact lock at least has the following beneficial technical effects:

utilize cam mechanism to realize the switch of tool to lock, be equipped with on the locking part can with cam complex spacing body, keep when locking tongue part and locking part cooperation are in lock state, spacing body is through the degree of freedom with cam cooperation restriction locking part, thereby the restriction pothook is to keeping away from the direction removal of draw-in groove, guarantee that pothook and draw-in groove can firmly cooperate in lock state, even receive the impact of side or stir the locking part with long and thin hard object and also can not relieve cam mechanism to lock part's restriction, thereby can avoid the tool to lock to be opened because of receiving the side impact or being stirred by the malicious thing of people under the lock state, have the function of protecting against shock and theftproof, the protective capacities of tool to lock has been improved effectively. When needing to unblank, can drive cam mechanism and make the edge of cam leave the spacing body, cam mechanism makes pushing part drive locking part rotatory so that pothook and draw-in groove separation realize unblanking simultaneously, and it makes to continue to drive cam mechanism along same direction again when closing the lock thereby the edge of cam and spacing body contact restriction pothook move to the direction of keeping away from the draw-in groove, guarantee that pothook and draw-in groove can firmly cooperate at the locking state, utilize simple setting and cam mechanism's unidirectional rotation to realize the function of switch lock on and off the whole.

The utility model discloses overall structure is uncomplicated, can not increase the manufacturing cost of whole car, and is comparatively simple and convenient in the operation, and protection stability is good.

In one embodiment, the locking member includes a locking plate rotatably provided on a surface of the lock base plate, and a first resilient body connecting the locking plate and the lock base plate to provide a resilient force for moving the hook in a direction approaching the card slot.

In one embodiment, the first resilient body includes a first torsion spring, the first torsion spring and the locking plate are jointly disposed on a first mounting shaft on the surface of the lock base plate, one end of the first torsion spring is fixed on the lock base plate, and the other end of the first torsion spring abuts against the locking plate.

In one embodiment, the lock tongue member includes a lock tongue plate and a second resilient body, the lock tongue plate is rotatably disposed on the surface of the lock base plate, and the second resilient body connects the lock tongue plate and the lock base plate to provide a driving force for moving the engaging groove in a direction away from the engaging hook.

In one embodiment, the second resilient body includes a second torsion spring, the second torsion spring and the tongue plate are commonly disposed on a second mounting shaft on the surface of the lock base plate, one end of the second torsion spring is fixed to the lock base plate, and the other end of the second torsion spring abuts against the tongue plate.

In one embodiment, the edge of the cam includes a large-wheelbase edge and a small-wheelbase edge, the pushing portion includes a push rod, the large-wheelbase edge limits the hook from moving away from the slot by contacting with the limiting body, and the cam mechanism is rotatable to enable the large-wheelbase edge to leave the limiting body, and simultaneously enable the push rod to push the locking component to rotate so as to enable the hook to move away from the slot to be separated from the slot.

In one embodiment, the locking mechanism further comprises a driving part, a first travel switch and a second travel switch, wherein the driving part is used for driving the cam mechanism to rotate, the second travel switch is in contact with the bolt part to detect the locking state of the bolt part, the first travel switch is in contact with a large-axial-distance edge of the cam to detect the travel state of the cam mechanism, and the first travel switch and the second travel switch are both electrically connected with the driving part.

In one embodiment, the drive member is a stepper motor.

In one embodiment, the lock further comprises a lock pressing plate covering the lock bottom plate, the lock tongue part and the lock part are arranged between the lock pressing plate and the lock bottom plate, and the lock pressing plate is connected with the lock bottom plate through a fixing piece.

In one embodiment, the fixing member includes two fixing screws, the locking member is mounted on a first mounting shaft on the surface of the lock base plate, the bolt member is mounted on a second mounting shaft on the surface of the lock base plate, and the two fixing screws pass through the connecting holes on the lock pressing plate and are screwed into the first mounting shaft and the second mounting shaft respectively so as to connect the lock pressing plate with the lock base plate.

In one embodiment, the lock further comprises a first limiting part and/or a second limiting part arranged on the lock base plate, the first limiting part is used for limiting the clamping hook to excessively move towards the direction close to the clamping groove, and the second limiting part is used for limiting the clamping groove to excessively move towards the direction far away from the clamping hook.

Drawings

Fig. 1 is a schematic structural view of an anti-impact lock according to an embodiment of the present invention in a locked state;

FIG. 2 is an unlocked state view of the impact resistant lock of FIG. 1;

FIG. 3 is an exploded view of the impact resistant latch of FIG. 1;

figure 4 is a view from direction a of the cam mechanism in the impact resistant latch of figure 3.

In the figure: 100. the lock bottom plate, 110, the opening,

200. a bolt part 210, a bolt plate 220, a second resilience body 221, a second torsion spring 230, a second mounting shaft 240, a second limiting part 201 and a clamping groove,

300. a locking component 310, a locking plate 320, a first elastic body 321, a first torsion spring 330, a first mounting shaft 340, a first limit part 301, a hook 302 and a limit body,

400. a cam mechanism 410, a pushing part 411, a clearance position 412, a reinforcing rib 420, a cam 421, a large-wheelbase edge 422, a small-wheelbase edge 430 and a fixed shaft,

500. a locking pressing plate 510, a connecting hole,

600. a first travel switch is arranged on the first side of the device,

700. a second travel switch.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Those of ordinary skill in the art will recognize that variations and modifications of the various embodiments described herein can be made without departing from the scope of the invention, which is defined by the appended claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, in one embodiment of the present invention, an impact resistant lock is provided, which includes a lock base plate 100, a latch bolt member 200, a locking member 300, and a cam mechanism 400. The lock tongue part 200 is rotatably arranged on the lock bottom plate 100, and a clamping groove 201 is arranged on the lock tongue part 200; the locking component 300 is rotatably arranged on the lock base plate 100, the locking component 300 is provided with a hook 301 and a limiting body 302, and the hook 301 can be clamped into the clamping groove 201 so that the bolt component 200 and the locking component 300 are matched and kept in a locking state; the cam mechanism 400 comprises a cam 420 and a pushing part 410 which are coaxially arranged on the lock base plate 100, wherein the edge of the cam 420 is contacted with the limiting body 302 and is propped against the limiting body 302 to limit the clamping hook 301 to move towards the direction far away from the clamping groove 201; the cam mechanism 400 can rotate to enable the edge of the cam 420 to leave the limiting body 302, and simultaneously enable the pushing part 410 to drive the locking part 300 to rotate so as to enable the hook 301 to move away from the card slot 201 to be separated from the card slot 201.

The specific operation is as follows: the direction of rotation of this embodiment is in the counterclockwise direction of rotation of the cam mechanism 400 in fig. 1. The lock is locked in a normal state, when the lock is unlocked, the cam mechanism 400 rotates to enable the edge of the cam 420 to be away from the limiting body 302 of the locking part 300, meanwhile, the pushing part 410 drives the locking part 300 to rotate to enable the hook 301 to move in a direction away from the clamping groove 201 to be separated from the clamping groove 201, and the cam mechanism 400 stops rotating; after the card slot 201 is released, the bolt part 200 rotates to make the card slot 201 far away from the hook 301, the unlocking action is completed, and fig. 2 shows that the lock is in a fully opened state;

when the lock is closed, referring to fig. 2, the latch part 200 rotates to make the slot 201 close to the hook 301 and clamped and fixed by the hook 301, and the latch part 200 is matched with the locking part 300 to be kept in a locking state; the cam mechanism 400 rotates in the same direction as the unlocking process, so that the edge of the cam 420 contacts with the limiting body 302 to limit the hook 301 to move in the direction away from the slot 201, the locking action is completed, the cam mechanism 400 stops rotating, and the lock is in the locking state in fig. 1.

In this embodiment, utilize cam mechanism 400 to realize the switch of tool to lock, be equipped with on the locking part 300 can with cam 420 complex spacing body 302, when tongue part 200 keeps in the lock state with the cooperation of locking part 300, spacing body 302 is through the degree of freedom with cam 420 cooperation restriction locking part 300, thereby restriction pothook 301 removes to the direction of keeping away from draw-in groove 201, guarantee that pothook 301 and draw-in groove 201 can firmly cooperate in the lock state, even receive the impact of side or stir locking part 300 with long and thin hard object and can not remove the restriction of cam mechanism 400 to locking part 300, thereby can avoid the tool to lock because of receiving the side impact or being opened by the malicious thing of people stirring under the lock state of closing, have protecting against shock and theftproof function, the protective capacities of tool to lock has been improved effectively. When the lock needs to be unlocked, the cam mechanism 400 can be driven to enable the edge of the cam 420 to leave the limiting body 302, meanwhile, the cam mechanism 400 enables the pushing portion 410 to drive the locking part 300 to rotate so that the hook 301 is separated from the clamping groove 201 to achieve unlocking, when the lock is closed, the cam mechanism 400 is continuously driven in the same direction so that the edge of the cam 420 is in contact with the limiting body 302 to limit the hook 301 to move towards the direction away from the clamping groove 201, the hook 301 and the clamping groove 201 can be firmly matched in a locking state, and the lock opening and closing function is achieved by simple arrangement and unidirectional rotation of the cam mechanism 400 on the whole.

When unlocking, the toggle mechanism needs to be rotated to drive the locking part 300 to rotate so as to enable the hook 301 to move towards the direction far away from the slot 201 until the hook 301 is separated from the slot 201, and when subsequently locking, the locking part 300 also needs to be rotated to enable the hook 301 to be clamped and fixed on the slot 201, so that the bolt part 200 is matched with the locking part 300 and kept in a locking state. To this end, referring to fig. 1, in some embodiments, the locking member 300 includes a locking plate 310 and a first resilient body 320, the locking plate 310 is rotatably provided on a surface of the lock base plate 100, the hook 301 is provided on the locking plate 310, and the first resilient body 320 connects the locking plate 310 and the lock base plate 100 to provide a resilient force for moving the hook 301 in a direction approaching the card slot 201. Through adopting this setting, gyration toggle mechanism drives the lockplate 310 and rotates so that pothook 301 and draw-in groove 201 separation when unblanking, pothook 301 kick-backs to the direction that is close to draw-in groove 201 under the effect of first resilience body 320 after unblanking, direct drive spring bolt part 200 makes draw-in groove 201 card of spring bolt part 200 go into in pothook 301 can realize locking when needing to close the lock, do not need manual or independent operation lockplate 310 to make pothook 301 remove and block and fix draw-in groove 201 to the direction that is close to draw-in groove 201, it is more convenient to operate, specifically, when manual lock that closes, can press or promote spring bolt part 200 and move until draw-in groove 201 card goes into pothook 301 towards the direction that is close to lock.

Preferably, the first resilient body 320 includes a first torsion spring 321, the first torsion spring 321 and the locking plate 310 are disposed on a first mounting shaft 330 on the surface of the bottom lock plate 100, and one end of the first torsion spring 321 is fixed to the bottom lock plate 100 and the other end abuts against the locking plate 310. When the locking plate 310 is driven to rotate to separate the hook 301 from the slot 201, the first torsion spring 321 coaxially arranged with the locking plate 310 is deformed to store energy, and when the rotary toggle mechanism does not drive the locking plate 310 any more, the energy in the first torsion spring 321 is released and the hook 301 rebounds towards the direction close to the slot 201. In other embodiments, the first resilient body 320 may be a spring, the spring directly connects the locking plate 310 with the lock base plate 100, and the spring deforms to store energy when the locking plate 310 rotates, and directly drives the hook 301 to rebound toward the slot 201 after unlocking.

It will be appreciated that in other embodiments, the locking member 300 may only comprise the locking plate 310, and the function without springback does not affect the normal implementation of the basic function of the present invention.

When the locking part 300 rotates to separate the hook 301 from the slot 201 during unlocking, the bolt part 200 needs to be rotated to move the slot 201 away from the hook 301, so as to completely open the lock. To this end, referring to fig. 1, in some embodiments, the latch bolt member 200 includes a latch plate 210 and a second resilient body 220, the latch plate 210 is rotatably disposed on a surface of the latch base plate 100, the slot 201 is disposed on the latch plate 210, and the second resilient body 220 connects the latch plate 210 to the latch base plate 100 to provide a driving force for moving the slot 201 away from the hook 301. In the unlocking state, when the locking plate 310 rotates to separate the hook 301 from the slot 201, the slot 201 is released, and the second resilient body 220 can provide a driving force to move the slot 201 in a direction away from the hook 301, so that manual operation or separate driving of the tongue plate 210 to move the slot 201 in a direction away from the hook 301 is not required.

Preferably, the second resilient body 220 includes a second torsion spring 221, the second torsion spring 221 and the tongue plate 210 are jointly disposed on a second mounting shaft 230 on the surface of the lock base plate 100, one end of the second torsion spring 221 is fixed on the lock base plate 100, and the other end abuts against the tongue plate 210. When the clamping groove 201 is matched and locked with the hook 301, the second torsion spring 221 which is coaxially arranged with the tongue plate 210 deforms to store energy, and after the clamping groove 201 is released, the energy in the second torsion spring 221 is released and drives the tongue plate 210 to rotate, so that the clamping groove 201 moves towards the direction far away from the hook 301. In other embodiments, the second resilient body 220 may be a spring, the spring directly connects the tongue plate 210 to the lock base plate 100, the spring deforms to store energy when the tongue plate 210 rotates to provide a driving force for moving the lock slot 201 away from the hook 301, and the spring directly drives the tongue plate 210 to move the lock slot 201 away from the hook 301 when the lock is unlocked.

It is understood that in other embodiments, the latch tongue 200 may only include the latch tongue 210, and the function of no resilience will not affect the normal implementation of the basic function of the present invention.

Referring to fig. 1 and 2, in some embodiments, cam mechanism 400 may rotate about a fixed axis 430 that is perpendicular to lock base plate 100. The edge of the cam 420 includes a large-wheel-base edge 421 and a small-wheel-base edge 422, the pushing portion 410 includes a pushing rod, the large-wheel-base edge 421 limits the hook 301 to move away from the card slot 201 by contacting with the limiting body 302, the cam mechanism 400 can rotate to make the large-wheel-base edge 421 move away from the limiting body 302, and meanwhile, the pushing rod pushes the locking component 300 to rotate to make the hook 301 move away from the card slot 201 to separate from the card slot 201. The edge 421 with big wheel base and the edge 422 with little wheel base have clear boundaries, help the tool to lock close lock and the fast switch-over of state of unblanking, avoid the unclear problem that leads to the switch unsmooth of boundary.

In the locked state, if the distance between the push rod and the locking member 300 is too small, the locking member 300 is easily touched accidentally to open the lock. Preferably, referring to fig. 4, an escape space 411 is provided on the push rod for increasing the distance between the push rod and the locking component 300 in the locking state, so that the accidental unlocking of the lock due to the contact between the push rod and the locking component 300 can be avoided even if vibration occurs, thereby strengthening the function of impact resistance and ensuring better protection stability.

Preferably, the pushing portion 410 is provided with a rib 412 as shown in fig. 4 for improving the structural strength of the pushing portion 410 and preventing deformation due to excessive contact force between the pushing portion and the locking member 300 during unlocking.

Further, the locking mechanism comprises a driving part, a first travel switch 600 and a second travel switch 700, wherein the driving part is used for driving the cam mechanism 400 to rotate, the second travel switch 700 is contacted with the bolt part 200 to detect the locking state of the bolt part 200, the first travel switch 600 is contacted with the large-axial-distance edge 421 of the cam 420 to detect the travel state of the cam mechanism 400, and the first travel switch 600 and the second travel switch 700 are both electrically connected with the driving part.

Specifically, the latch is normally locked, and when the driving part receives an unlocking signal (a code scanning signal or other input signal) from the outside, the driving part drives the cam mechanism 400 to rotate, so that the large-axial-distance edge 421 of the cam 420 leaves the limiting body 302 of the locking part 300, and simultaneously the pushing part 410 drives the locking part 300 to rotate, so that the hook 301 moves away from the card slot 201 to be separated from the card slot 201; after the card slot 201 is released, the bolt part 200 rotates and leaves the second travel switch 700 to disconnect the second travel switch 700, and the second travel switch 700 sends an unlocking signal to the driving part; the driving member drives the cam mechanism 400 to continue rotating until the large-axial-distance edge 421 of the cam 420 leaves the first travel switch 600, so that the first travel switch 600 is turned off, the first travel switch 600 sends a signal to the driving member, and the driving member determines that the unlocking operation is completed and stops driving the cam mechanism 400.

In the locking process, the bolt part 200 is pressed or pushed to enable the clamping groove 201 to be close to the clamping hook 301 and clamped and fixed by the clamping hook 301, the bolt part 200 presses the second travel switch 700 in the pressing process, the second travel switch 700 is switched on, and the driving part receives a locking signal; the driving part drives the cam mechanism 400 to rotate until the large-axial-distance edge 421 of the cam 420 contacts the first travel switch 600 to conduct the first travel switch 600, at this time, the large-axial-distance edge 421 of the cam 420 simultaneously contacts and supports the limiting body 302 to limit the hook 301 to move towards the direction far away from the clamping groove 201, the driving part sends a signal after the first travel switch 600 is conducted, and the driving part judges that the locking action is completed and stops driving the cam mechanism 400.

Since the rotation of a driving member such as a motor is easily affected by a voltage, there may be a certain error if a time interval is used to control the stop rotation time of the cam mechanism 400. Therefore, the driving part of the present embodiment determines the locking state of the latch bolt part 200 and the stroke state of the cam mechanism 400 by receiving the detection signals of the first stroke switch 600 and the second stroke switch 700, and then accurately adjusts the position state of the cam mechanism 400, so as to realize automatic control of the locking and unlocking process, and the control process is accurate and reliable; the rotation of the cam mechanism 400 can be controlled more precisely by determining the stop rotation time of the cam mechanism 400 by the contact and separation of the large-distance edge 421 of the cam 420 with and from the first stroke switch 600.

Preferably, the driving member is a stepping motor. The stepping motor can accurately control the rotation stroke of the rotary toggle mechanism, and the unlocking and locking are ensured to be in place. Of course, in other embodiments, non-stepper motors or other rotary drives may be used, and are not limited thereto.

Referring to fig. 3, in some embodiments, a lock pressing plate 500 is further included, and covers the lock base plate 100, and the latch bolt member 200 and the locking member 300 are disposed between the lock pressing plate 500 and the lock base plate 100, and the lock pressing plate 500 is connected to the lock base plate 100 through a fixing member. The lock pressing plate 500 may surround the latch bolt part 200 and the locking part 300 from both sides in cooperation with the lock base plate 100, thereby effectively protecting the latch bolt part 200 and the locking part 300 and preventing an external force from damaging the internal structure of the lock. Preferably, the fixing member includes two fixing screws, the locking member 300 is mounted on the first mounting shaft 330 on the surface of the lock base plate 100, the latch bolt member 200 is mounted on the second mounting shaft 230 on the surface of the lock base plate 100, and the two fixing screws pass through the connecting holes 510 on the lock pressure plate 500 and are respectively screwed into the first mounting shaft 330 and the second mounting shaft 230 to connect the lock pressure plate 500 with the lock base plate 100. The convenient dismantlement of set screw can realize installing fast and dismantling the tool to lock as required.

Referring to fig. 1, in some embodiments, the lock further includes a first limiting portion 340 and a second limiting portion 240 disposed on the lock base plate 100, the first limiting portion 340 is used for limiting the excessive movement of the hook 301 toward the direction approaching the card slot 201, and the second limiting portion 240 is used for limiting the excessive movement of the card slot 201 toward the direction away from the hook 301. Specifically, the first position-limiting portion 340 may be a position-limiting shaft disposed on the lock base plate 100, and the second position-limiting portion 240 may be a stop block disposed on the lock base plate 100.

Referring to fig. 3, in some embodiments, the lock base plate 100 is provided with an opening 110, and the opening 110 is close to the latch part 200, and is used for inserting a driving device to drive the latch part 200 to rotate when the lock is closed, so that the slot 201 is close to the hook 301. The lock closing operation is convenient by adopting the arrangement, and the lock tongue part 200 does not need to be stretched into the lock to rotate.

The utility model discloses in another embodiment, provide the switching method of anti-impact lock, including the process of unblanking and the process of locking, wherein:

referring to fig. 1, in unlocking, the cam mechanism 400 is rotated, so that the edge of the cam 420 is away from the limiting body 302 of the locking part 300, and simultaneously, the pushing part 410 drives the locking part 300 to rotate, so that the hook 301 moves away from the slot 201 to be separated from the slot 201, and the cam mechanism 400 stops rotating;

after the card slot 201 is released, the bolt part 200 is rotated to make the card slot 201 far away from the hook 301, the unlocking action is completed, and the lockset is in the state shown in fig. 2;

when the lock is closed, the bolt part 200 is rotated to enable the clamping groove 201 to be close to the clamping hook 301;

when the clamping groove 201 rotates to be contacted with the hook 301 and clamped by the hook 301, the bolt part 200 is matched with the locking part 300 and kept in a locking state;

the cam mechanism 400 rotates in the same direction as the unlocking process, so that the edge of the cam 420 contacts with the limiting body 302 to limit the hook 301 to move in the direction away from the slot 201, the locking action is completed, the rotation of the cam mechanism 400 is stopped, and the lock is in the state shown in fig. 1.

In some embodiments, the device further comprises a driving part, a first travel switch 600 and a second travel switch 700, wherein the driving part is used for driving the cam mechanism 400 to rotate, the second travel switch 700 is contacted with the bolt part 200 to detect the locking state of the bolt part 200, the first travel switch 600 is contacted with the large-axial-distance edge 421 of the cam 420 to detect the travel state of the cam mechanism 400, and the first travel switch 600 and the second travel switch 700 are both electrically connected with the driving part; in the off-lock state, the first travel switch 600 is in a conducting state in contact with the large-axis distance edge 421 of the cam 420, and the second travel switch 700 is in a conducting state in contact with the bolt part 200;

when unlocking, the driving part drives the cam mechanism 400 to rotate, so that the large-axis edge 421 of the cam 420 leaves the limiting body 302 of the locking part 300, meanwhile, the pushing part 410 drives the locking part 300 to rotate, so that the hook 301 moves to be separated from the slot 201 in the direction away from the slot 201,

after the clamping groove 201 is released, the bolt part 200 is rotated to leave the second travel switch 700, so that the second travel switch 700 is disconnected, and the second travel switch 700 sends an unlocking signal to the driving part;

the driving member drives the cam mechanism 400 to continue to rotate until the large-axial distance edge 421 of the cam 420 leaves the first travel switch 600, so that the first travel switch 600 is turned off, the first travel switch 600 sends a signal to the driving member, the driving member determines that the unlocking action is finished, and the driving member stops driving the cam mechanism 400;

when the lock is closed, the bolt part 200 is pressed or pushed, so that the clamping groove 201 is close to the clamping hook 301 and clamped by the clamping hook 301, the bolt part 200 presses the second travel switch 700 in the pressing process, the second travel switch 700 is switched on, and the driving part receives a lock closing signal;

the driving part drives the cam mechanism 400 to rotate until the large-axial-distance edge 421 of the cam 420 contacts the first travel switch 600, so that the first travel switch 600 is switched on, at this time, the large-axial-distance edge 421 of the cam 420 contacts and abuts against the limiting body 302, so that the clamping hook 301 is limited to move towards the direction far away from the clamping groove 201, the first travel switch 600 sends a signal to the driving part after being switched on, the driving part judges that the locking action is finished, the cam mechanism 400 is stopped being driven, and the lock is in the state shown in fig. 1.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An impact resistant lockset, comprising:

a lock base plate;

2. The impact resistant latch as claimed in claim 1, wherein said locking member includes a locking plate and a first resilient body, said locking plate being pivotally mounted to a surface of said lock base, said first resilient body connecting said locking plate to said lock base to provide a resilient force to move said catch in a direction approaching said catch.

3. The anti-impact lock according to claim 2, wherein the first resilient body comprises a first torsion spring, the first torsion spring and the locking plate are commonly disposed on a first mounting shaft on the surface of the lock base plate, one end of the first torsion spring is fixed on the lock base plate, and the other end of the first torsion spring abuts against the locking plate.

4. The impact resistant latch as claimed in claim 1, wherein said latch bolt member includes a latch bolt pivotably mounted to a surface of said latch base plate and a second resilient member connecting said latch bolt to said latch base plate for providing a driving force for moving said catch in a direction away from said catch.

5. The impact-resistant lock according to claim 4, wherein the second resilient body comprises a second torsion spring, the second torsion spring and the tongue plate are jointly disposed on a second mounting shaft on the surface of the lock base plate, one end of the second torsion spring is fixed to the lock base plate, and the other end of the second torsion spring abuts against the tongue plate.

6. The impact resistant latch according to claim 1, wherein the edge of the cam includes a large wheelbase edge and a small wheelbase edge, the pushing portion includes a push rod, the large wheelbase edge limits the hook from moving away from the notch by contacting the retainer, the cam mechanism is rotatable such that the large wheelbase edge moves away from the retainer while the push rod pushes the locking member to rotate such that the hook moves away from the notch to move away from the notch.

7. The impact resistant lock according to claim 6, further comprising a driving part for driving the cam mechanism to rotate, a first stroke switch and a second stroke switch, wherein the second stroke switch is in contact with the latch part to detect the locking state of the latch part, the first stroke switch is in contact with a large-axis distance edge of the cam to detect the stroke state of the cam mechanism, and the first stroke switch and the second stroke switch are both electrically connected with the driving part.

8. The impact resistant latch as claimed in claim 7, wherein said drive member is a stepper motor.

9. The impact-resistant lock according to claim 1, further comprising a lock pressing plate covering said lock base plate, wherein said lock tongue member and said lock member are disposed between said lock pressing plate and said lock base plate, and said lock pressing plate is connected to said lock base plate through a fixing member.

10. The impact resistant latch according to claim 9, wherein the fixing member includes two fixing screws, the locking member is mounted on a first mounting shaft of the lock bottom plate surface, the latch member is mounted on a second mounting shaft of the lock bottom plate surface, and the two fixing screws pass through the connecting holes of the lock pressing plate and are screwed into the first mounting shaft and the second mounting shaft respectively so as to connect the lock pressing plate with the lock bottom plate.

11. The impact-resistant lock according to claim 1, further comprising a first limiting portion and/or a second limiting portion disposed on the lock base plate, wherein the first limiting portion is configured to limit the hook from excessively moving in a direction approaching the locking slot, and the second limiting portion is configured to limit the locking slot from excessively moving in a direction away from the hook.